public String Open(String filename)
{
log.Debug(DateTime.Now.Ticks + " Open: " + filename);
Console.WriteLine("#OPEN Open: " + filename);
// if (GetFileMetadataEntry(filename) != null)
// throw new PadiException(PadiExceptiontType.OpenFile, "ClientCore: File already opened: " + filename);
RequestOpen openRequest = new RequestOpen(filename);
log.Debug(DateTime.Now.Ticks + " [M] Send Open: " + filename);
MetaserverResponse response = MetaserverClient.SendRequestToMetaserver(openRequest);
MetadataEntry metaEntry = response.MetaEntry;
if (metaEntry == null)
{
throw new PadiException(PadiExceptiontType.OpenFile, "Response without entry");
}
if (GetFileMetadataEntry(filename) != null)
{
UpdateMetadataEntry(metaEntry);
Console.WriteLine("#Open: Value Updated");
log.Debug(DateTime.Now.Ticks + " Open Done: " + filename);
return(metaEntry.ToString());
}
AddFileMetadataEntry(metaEntry);
log.Debug(DateTime.Now.Ticks + " Open done: " + filename);
Console.WriteLine("#Open: Complete");
return(metaEntry.ToString());
}
//////////////////////////////////// CLient Interface //////////////////////////////////
public String Create(String filename, int nbDataServers, int readQuorum, int writeQuorum)
{
log.Debug(DateTime.Now.Ticks + " Create: " + filename);
Console.WriteLine("#CREATE Create file: " + filename + " nbDataServer: " + nbDataServers + " readQuorum: " + readQuorum + " writeQuorum: " + writeQuorum);
RequestCreate createRequest = new RequestCreate(filename, nbDataServers, readQuorum, writeQuorum);
log.Debug(DateTime.Now.Ticks + " [M] Send Create: " + filename);
MetaserverResponse response = MetaserverClient.SendRequestToMetaserver(createRequest);
//Processar a resposta
MetadataEntry metaEntry = response.MetaEntry;
if (metaEntry != null)
{
Console.WriteLine("#CREATE Create Successeful");
log.Debug(DateTime.Now.Ticks + " Create Done: " + filename);
return(metaEntry.ToString( ));
}
else
{
throw new PadiException(PadiExceptiontType.CreateFile, "Response without entry");
}
}